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US Patent: 689,781
Calipers and Dividers
Patentee: Casper E. Bickel (exact or similar names) - Shelburne Falls, MA USPTO Classifications: 33/558.08 Tool Categories: layout tools : calipers layout tools : compasses : dividers Assignees: None Manufacturer: Not known to have been produced Witnesses: F. H. Schott E. P. Ray Merton Z. Woodward J. C. Winterhalder	Patent Dates: Applied: May 08, 1901 Granted: Dec. 24, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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